| #!/usr/bin/python |
| # |
| # Copyright 2010 Google Inc. All Rights Reserved. |
| |
| """Script to checkout the ChromeOS source. |
| |
| This script sets up the ChromeOS source in the given directory, matching a |
| particular release of ChromeOS. |
| """ |
| |
| __author__ = ("asharif@google.com (Ahmad Sharif) " |
| "llozano@google.com (Luis Lozano) " |
| "raymes@google.com (Raymes Khoury) " |
| "shenhan@google.com (Han Shen)") |
| |
| import optparse |
| import os |
| import sys |
| |
| import tc_enter_chroot |
| from utils import command_executer |
| from utils import logger |
| from utils import misc |
| |
| |
| def Usage(parser, message): |
| print "ERROR: " + message |
| parser.print_help() |
| sys.exit(0) |
| |
| |
| def Main(argv): |
| """Build ChromeOS.""" |
| # Common initializations |
| cmd_executer = command_executer.GetCommandExecuter() |
| |
| parser = optparse.OptionParser() |
| parser.add_option("--chromeos_root", dest="chromeos_root", |
| help="Target directory for ChromeOS installation.") |
| parser.add_option("--clobber_chroot", dest="clobber_chroot", |
| action="store_true", help= |
| "Delete the chroot and start fresh", default=False) |
| parser.add_option("--clobber_board", dest="clobber_board", |
| action="store_true", |
| help="Delete the board and start fresh", default=False) |
| parser.add_option("--rebuild", dest="rebuild", |
| action="store_true", |
| help="Rebuild all board packages except the toolchain.", |
| default=False) |
| parser.add_option("--cflags", dest="cflags", default="", |
| help="CFLAGS for the ChromeOS packages") |
| parser.add_option("--cxxflags", dest="cxxflags", default="", |
| help="CXXFLAGS for the ChromeOS packages") |
| parser.add_option("--ldflags", dest="ldflags", default="", |
| help="LDFLAGS for the ChromeOS packages") |
| parser.add_option("--board", dest="board", |
| help="ChromeOS target board, e.g. x86-generic") |
| parser.add_option("--package", dest="package", |
| help="The package needs to be built") |
| parser.add_option("--label", dest="label", |
| help="Optional label symlink to point to build dir.") |
| parser.add_option("--dev", dest="dev", default=False, action="store_true", |
| help=("Make the final image in dev mode (eg writable, " |
| "more space on image). Defaults to False.")) |
| parser.add_option("--debug", dest="debug", default=False, action="store_true", |
| help=("Optional. Build chrome browser with \"-g -O0\". " |
| "Notice, this also turns on \'--dev\'. " |
| "Defaults to False.")) |
| parser.add_option("--env", |
| dest="env", |
| default="", |
| help="Env to pass to build_packages.") |
| parser.add_option("--vanilla", dest="vanilla", |
| default=False, |
| action="store_true", |
| help="Use default ChromeOS toolchain.") |
| parser.add_option("--vanilla_image", dest="vanilla_image", |
| default=False, |
| action="store_true", |
| help=("Use prebuild packages for building the image. " |
| "It also implies the --vanilla option is set.")) |
| |
| options = parser.parse_args(argv[1:])[0] |
| |
| if options.chromeos_root is None: |
| Usage(parser, "--chromeos_root must be set") |
| options.chromeos_root = os.path.expanduser(options.chromeos_root) |
| scripts_dir = os.path.join(options.chromeos_root, 'src', 'scripts') |
| if not os.path.isdir(scripts_dir): |
| Usage(parser, "--chromeos_root must be set up first. Use setup_chromeos.py") |
| |
| if options.board is None: |
| Usage(parser, "--board must be set") |
| |
| if options.debug: |
| options.dev = True |
| |
| build_packages_env = options.env |
| if build_packages_env.find('EXTRA_BOARD_FLAGS=') != -1: |
| logger.GetLogger().LogFatal( |
| ('Passing "EXTRA_BOARD_FLAGS" in "--env" is not supported. ' |
| 'This flags is used internally by this script. ' |
| 'Contact the author for more detail.')) |
| |
| if options.rebuild == True: |
| build_packages_env += " EXTRA_BOARD_FLAGS=-e" |
| # EXTRA_BOARD_FLAGS=-e should clean up the object files for the chrome |
| # browser but it doesn't. So do it here. |
| misc.RemoveChromeBrowserObjectFiles(options.chromeos_root, options.board) |
| |
| # Build with afdo_use by default. |
| # To change the default use --env="USE=-afdo_use". |
| build_packages_env = misc.MergeEnvStringWithDict( |
| build_packages_env, |
| {"USE": "chrome_internal afdo_use"}) |
| |
| build_packages_command = misc.GetBuildPackagesCommand( |
| board=options.board, usepkg=options.vanilla_image, debug=options.debug) |
| |
| if options.package: |
| build_packages_command += " {0}".format(options.package) |
| |
| build_image_command = misc.GetBuildImageCommand(options.board, options.dev) |
| |
| if options.vanilla or options.vanilla_image: |
| command = misc.GetSetupBoardCommand(options.board, |
| usepkg=options.vanilla_image, |
| force=options.clobber_board) |
| command += "; " + build_packages_env + " " + build_packages_command |
| command += "&& " + build_packages_env + " " + build_image_command |
| ret = cmd_executer.ChrootRunCommand(options.chromeos_root, command) |
| return ret |
| |
| # Setup board |
| if not os.path.isdir(options.chromeos_root + "/chroot/build/" |
| + options.board) or options.clobber_board: |
| # Run build_tc.py from binary package |
| rootdir = misc.GetRoot(argv[0])[0] |
| version_number = misc.GetRoot(rootdir)[1] |
| ret = cmd_executer.ChrootRunCommand( |
| options.chromeos_root, |
| misc.GetSetupBoardCommand(options.board, |
| force=options.clobber_board)) |
| logger.GetLogger().LogFatalIf(ret, "setup_board failed") |
| else: |
| logger.GetLogger().LogOutput("Did not setup_board " |
| "because it already exists") |
| |
| if options.debug: |
| # Perform 2-step build_packages to build a debug chrome browser. |
| |
| # Firstly, build everything that chromeos-chrome depends on normally. |
| if options.rebuild == True: |
| # Give warning about "--rebuild" and "--debug". Under this combination, |
| # only dependencies of "chromeos-chrome" get rebuilt. |
| logger.GetLogger().LogWarning( |
| "\"--rebuild\" does not correctly re-build every package when " |
| "\"--debug\" is enabled. ") |
| |
| # Replace EXTRA_BOARD_FLAGS=-e with "-e --onlydeps" |
| build_packages_env = build_packages_env.replace( |
| 'EXTRA_BOARD_FLAGS=-e', 'EXTRA_BOARD_FLAGS=\"-e --onlydeps\"') |
| else: |
| build_packages_env += ' EXTRA_BOARD_FLAGS=--onlydeps' |
| |
| ret = cmd_executer.ChrootRunCommand( |
| options.chromeos_root, |
| "CFLAGS=\"$(portageq-%s envvar CFLAGS) %s\" " |
| "CXXFLAGS=\"$(portageq-%s envvar CXXFLAGS) %s\" " |
| "LDFLAGS=\"$(portageq-%s envvar LDFLAGS) %s\" " |
| "CHROME_ORIGIN=SERVER_SOURCE " |
| "%s " |
| "%s --skip_chroot_upgrade" |
| "chromeos-chrome" |
| % (options.board, options.cflags, |
| options.board, options.cxxflags, |
| options.board, options.ldflags, |
| build_packages_env, |
| build_packages_command)) |
| |
| logger.GetLogger().LogFatalIf(\ |
| ret, "build_packages failed while trying to build chromeos-chrome deps.") |
| |
| # Secondly, build chromeos-chrome using debug mode. |
| # Replace '--onlydeps' with '--nodeps'. |
| if options.rebuild == True: |
| build_packages_env = build_packages_env.replace( |
| 'EXTRA_BOARD_FLAGS=\"-e --onlydeps\"', 'EXTRA_BOARD_FLAGS=--nodeps') |
| else: |
| build_packages_env = build_packages_env.replace( |
| 'EXTRA_BOARD_FLAGS=--onlydeps', 'EXTRA_BOARD_FLAGS=--nodeps') |
| ret = cmd_executer.ChrootRunCommand( |
| options.chromeos_root, |
| "CFLAGS=\"$(portageq-%s envvar CFLAGS) %s\" " |
| "CXXFLAGS=\"$(portageq-%s envvar CXXFLAGS) %s\" " |
| "LDFLAGS=\"$(portageq-%s envvar LDFLAGS) %s\" " |
| "CHROME_ORIGIN=SERVER_SOURCE BUILDTYPE=Debug " |
| "%s " |
| "%s --skip_chroot_upgrade" |
| "chromeos-chrome" |
| % (options.board, options.cflags, |
| options.board, options.cxxflags, |
| options.board, options.ldflags, |
| build_packages_env, |
| build_packages_command)) |
| logger.GetLogger().LogFatalIf( |
| ret, "build_packages failed while trying to build debug chromeos-chrome.") |
| |
| # Now, we have built chromeos-chrome and all dependencies. |
| # Finally, remove '-e' from EXTRA_BOARD_FLAGS, |
| # otherwise, chromeos-chrome gets rebuilt. |
| build_packages_env = build_packages_env.replace(\ |
| 'EXTRA_BOARD_FLAGS=--nodeps', '') |
| |
| # Up to now, we have a debug built chromos-chrome browser. |
| # Fall through to build the rest of the world. |
| |
| # Build packages |
| ret = cmd_executer.ChrootRunCommand( |
| options.chromeos_root, |
| "CFLAGS=\"$(portageq-%s envvar CFLAGS) %s\" " |
| "CXXFLAGS=\"$(portageq-%s envvar CXXFLAGS) %s\" " |
| "LDFLAGS=\"$(portageq-%s envvar LDFLAGS) %s\" " |
| "CHROME_ORIGIN=SERVER_SOURCE " |
| "%s " |
| "%s --skip_chroot_upgrade" |
| % (options.board, options.cflags, |
| options.board, options.cxxflags, |
| options.board, options.ldflags, |
| build_packages_env, |
| build_packages_command)) |
| |
| logger.GetLogger().LogFatalIf(ret, "build_packages failed") |
| if options.package: |
| return 0 |
| # Build image |
| ret = cmd_executer.ChrootRunCommand(options.chromeos_root, |
| build_packages_env + " " + |
| build_image_command) |
| |
| logger.GetLogger().LogFatalIf(ret, "build_image failed") |
| |
| flags_file_name = "flags.txt" |
| flags_file_path = ("%s/src/build/images/%s/latest/%s" % |
| (options.chromeos_root, |
| options.board, |
| flags_file_name)) |
| flags_file = open(flags_file_path, "wb") |
| flags_file.write("CFLAGS=%s\n" % options.cflags) |
| flags_file.write("CXXFLAGS=%s\n" % options.cxxflags) |
| flags_file.write("LDFLAGS=%s\n" % options.ldflags) |
| flags_file.close() |
| |
| if options.label: |
| image_dir_path = ("%s/src/build/images/%s/latest" % |
| (options.chromeos_root, |
| options.board)) |
| real_image_dir_path = os.path.realpath(image_dir_path) |
| command = ("ln -sf -T %s %s/%s" % |
| (os.path.basename(real_image_dir_path), |
| os.path.dirname(real_image_dir_path), |
| options.label)) |
| |
| ret = cmd_executer.RunCommand(command) |
| logger.GetLogger().LogFatalIf(ret, "Failed to apply symlink label %s" % |
| options.label) |
| |
| return ret |
| |
| if __name__ == "__main__": |
| retval = Main(sys.argv) |
| sys.exit(retval) |